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Board of Management.

Günter Mayer.

Günter Mayer has been a manager at our sister company, skip supplier PKM-Muldenzentrale GmbH, since 2010. In 2017 he joined the management team at RCH Recycling Center Himberg GmbH. In addition to these roles, he acts as an authorised signatory for Koller Transporte-Kies-Erdbau GmbH.

Andreas Vock.

Andreas Vock took on his first roles as a commercial director and manager in the fields of environmental engineering, waste treatment and disposal back in 2002. He has been a manager at RCH Recycling Center Himberg GmbH since 2017. In addition to this role, he is on the management teams of Koller Transporte–Kies–Erdbau GmbHPKM-Muldenzentrale GmbH and PORR Umwelttechnik GmbH.

Günter Mayer Managing Director
Andreas Vock Managing Director


René Trauner Plant manager
Tamara Grandits Commercial manager
Mario Pronegg Head of maintenance
Andreas Winkler Production manager

Commercial administration.

Edith Bacher Accounting/ Sales/ Invoicing/ Secretariat


The secret of our success: a perfectly coordinated team.